Half mask face piece for use with a filter respirator



FIG. 1 is a front perspective view of a half mask face piece for use with a filter respirator according to my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a half mask face piece for use with a filter respirator, is shown and described. 